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XNA 4 3D Game Development by Example: Beginner's Guide

You're reading from   XNA 4 3D Game Development by Example: Beginner's Guide Create action-packed 3D games with the Microsoft XNA Framework with this book and ebook.

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Product type Paperback
Published in Sep 2012
Publisher Packt
ISBN-13 9781849687089
Length 322 pages
Edition 1st Edition
Languages
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Author (1):
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Kurt Jaegers Kurt Jaegers
Author Profile Icon Kurt Jaegers
Kurt Jaegers
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Table of Contents (16) Chapters Close

XNA 4 3D Game Development by Example Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introduction to XNA FREE CHAPTER 2. Cube Chaser – A Flat 3D World 3. Cube Chaser – It's A-Mazing! 4. Cube Chaser – Finding Your Way 5. Tank Battles – A War-torn Land 6. Tank Battles – The Big Guns 7. Tank Battles – Shooting Things 8. Tank Battles – Ending the War 9. Mars Runner 10. Mars Runner – Reaching the Finish Line

Time for action – the Particle class-part 1


To add particles to our game using the Particle class, perform the following steps:

  1. 1. Add a new class file called Particle.cs to the Tank Battles project.

  2. 2. Add the following declarations at the beginning of the Particle class file:

    using Microsoft.Xna.Framework;
    using Microsoft.Xna.Framework.Graphics;
  3. 3. Add a region of static fields to the Partic le class as follows:

    #region Static Fields
    public static GraphicsDevice GraphicsDevice;
    private static Vector3 Gravity = new Vector3(0, -5, 0);
    private static VertexBuffer vertexBuffer;
    private static IndexBuffer indexBuffer;
    #endregion
  4. 4. Add a region of non-static fields to the Partic le class as follows:

    #region Instance Fields
    private Vector3 position;
    private Vector3 velocity;
    public float duration;
    private float initialDuration;
    private float scale;
    #endregion
  5. 5. Add the following property to the Particle class:

    #region Properties
    public bool IsActive { get { return (duration > 0); }}
    #endregion
  6. 6...

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